<template>
  <transition>
    <div class="food" v-show="showFlag" ref="food">
      <div class="food-content">
        <div class="img-header">
          <img :src="food.image" alt="">
          <div class="back" @click="showFlag=false">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span>
            <span v-show="food.oldPrice" class="old">￥{{food.oldPrice}}</span>
          </div>
          <div class="cartcontrol-wrapper">
            <cartcontrol :food="food"></cartcontrol>
          </div>
          <div class="buy" v-show="!food.count || food.count===0" @click.stop.prevent="addFirst">加入购物车</div>
        </div>
        <split v-show="food.info"></split>
        <div class="info" v-show="food.info">
          <h1 class="title">商品信息</h1>
          <p class="text">{{food.info}}</p>
        </div>
        <split></split>
        <div class="rating">
          <h1 class="title">商品评论</h1>
          <ratingselect :select-type.sync="selectType" :only-content.sync="onlyContent" :desc="desc"
                        :ratings="food.ratings"></ratingselect>
          <div class="rating-wrapper">
            <ul v-show="food.ratings && food.ratings.length">
              <li v-show="needShow(rating.rateType,rating.text)" v-for="rating in food.ratings"
                  class="rating-item border-1px">
                <div class="user">
                  <span class="name">{{rating.username}}</span>
                  <img :src="rating.avatar" alt="" class="avatar" width="12" height="12">
                </div>
                <div class="time">{{rating.rateTime|dataFormat}}</div>
                <p class="text">
                  <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}">{{rating.text}}</span>
                </p>
              </li>
            </ul>
            <div class="no-rating" v-show="!food.ratings || food.ratings.length===0">暂无评价</div>
          </div>
        </div>
      </div>
    </div>
  </transition>
</template>

<script>
  import BScroll from 'better-scroll';
  import CartControl from 'components/cartcontrol/CartControl';
  import Vue from 'vue';
  import Split from 'components/split/Split';
  import RatingSelect from 'components/ratingselect/RatingSelect';

  const POSITIVE = 0;
  const HEGATIVE = 1;
  const ALL = 2;
  export default {
    name: "food",
    data() {
      return {
        showFlag: false,
        selectType: ALL,
        onlyContent: true,
        desc: {
          all: '全部',
          positive: '推荐',
          negative: '吐槽'
        }
      }
    },
    props: {
      food: Object
    },
    methods: {
      show() {
        this.showFlag = true;
        this.selectType = ALL;
        this.onlyContent = true;
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$refs.food, {
              click: true
            })
          } else {
            this.scroll.refresh();
          }
        });
      },
      addFirst() {
        Vue.set(this.food, 'count', 1);
      },
      needShow(type, text) {
        if (this.onlyContent && !text) {
          return false;
        }
        if (this.selectType === ALL) {
          return true;
        } else {
          return type === this.selectType;
        }
      }
    },
    components: {
      cartcontrol: CartControl,
      split: Split,
      ratingselect: RatingSelect
    }
  }
</script>

<style type="text/less" lang="less" scoped>
  @import "../../common/less/mixin";

  .food {
    width: 100%;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 48px;
    z-index: 30;
    background-color: #fff;
    transform: translate(0, 0);

    &.v-enter, &.v-leave-to {
      transform: translate(100%, 0);
    }

    &.v-enter-active, &.v-leave-active {
      transition: all .2s linear;
    }

    .food-content {

      .img-header {
        position: relative;
        width: 100%;
        height: 0;
        padding-top: 100%;

        img {
          position: absolute;
          top: 0;
          left: 0;
          width: 100%;
          height: 100%;
        }

        .back {
          position: absolute;
          top: 10px;
          left: 0;

          .icon-arrow_lift {
            display: block;
            padding: 10px;
            font-size: 20px;
            color: #fff;
          }
        }
      }

      .content {
        padding: 18px;
        position: relative;

        .title {
          line-height: 14px;
          margin-bottom: 8px;
          font-size: 14px;
          font-weight: 700;
          color: rgba(7, 17, 27);
        }

        .detail {
          margin-bottom: 18px;
          line-height: 10px;
          height: 10px;
          font-size: 0;

          .sell-count, .rating {
            font-size: 10px;
            color: rgb(147, 153, 159);
          }

          .sell-count {
            margin-right: 12px;
          }
        }

        .price {
          font-weight: 700;
          line-height: 24px;

          .now {
            margin-right: 8px;
            font-size: 14px;
            color: rgb(240, 20, 20);
          }

          .old {
            text-decoration: line-through;
            font-size: 10px;
            color: rgb(147, 153, 159);
          }
        }

        .cartcontrol-wrapper {
          position: absolute;
          right: 12px;
          bottom: 12px;
        }

        .buy {
          position: absolute;
          right: 18px;
          bottom: 18px;
          z-index: 10;
          height: 24px;
          line-height: 24px;
          padding: 0 12px;
          box-sizing: border-box;
          font-size: 10px;
          border-radius: 12px;
          color: #fff;
          background-color: rgb(0, 160, 220);
        }
      }

      .info {
        padding: 18px;

        .title {
          line-height: 14px;
          margin-bottom: 6px;
          font-size: 14px;
          color: rgb(7, 17, 27);
        }

        .text {
          line-height: 24px;
          padding: 0 8px;
          font-size: 12px;
          color: rgba(77, 85, 93);
        }
      }

      .rating {
        padding-top: 18px;

        .title {
          line-height: 14px;
          margin-left: 18px;
          font-size: 14px;
          color: rgb(7, 17, 27);
        }

        .rating-wrapper {
          padding: 0 18px;

          .rating-item {
            position: relative;
            padding: 16px 0;
            .border-1px(rgb(7, 17, 27, .1));

            .user {
              position: absolute;
              right: 0;
              top: 16px;
              line-height: 12px;
              font-size: 0;

              .name {
                display: inline-block;
                margin-right: 6px;
                vertical-align: top;
                font-size: 10px;
                color: rgb(147, 153, 159);
              }

              .avatar {
                border-radius: 50%;
              }
            }

            .time {
              margin-bottom: 6px;
              font-size: 10px;
              line-height: 12px;
              color: rgb(147, 153, 159);
            }

            .text {
              line-height: 16px;
              font-size: 12px;
              color: rgba(7, 17, 27);

              .icon-thumb_up, .icon-thumb_down {
                margin-right: 4px;
                line-height: 16px;
                font-size: 12px;
              }

              .icon-thumb_up {
                color: rgb(0, 160, 220);
              }

              .icon-thumb_down {
                color: rgb(147, 153, 159);
              }
            }
          }

          .no-rating {
            padding: 16px 0;
            font-size: 12px;
            color: rgb(147, 153, 159);
          }
        }


      }
    }
  }
</style>
